STW to DOC Converter

Convert STW to DOC online for free. Fast, secure, and high-quality conversion with no sign-up or software required.

Free to useNo file stored beyond 1 hourEncrypted over TLS 1.2/1.3No watermarks

or drag and drop files here

Maximum file size is 1GB

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How it works

Three steps to your converted file

Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.

Upload your file

Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.

Choose an output format

Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.

Convert & download

Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.

What is an STW file?

The STW file extension represents a document template created by OpenOffice.org 1.0 and StarOffice, specifically for the Writer word processor. It is based on the legacy OpenOffice.org XML file format, which utilizes a ZIP-compressed container to hold separate XML files for content (content.xml), styles (styles.xml), and metadata (meta.xml). This format served as the structural predecessor to the ISO-standardized OpenDocument Format (ODF) template (.ott) and allows users to generate multiple .sxw documents with consistent formatting and layout settings.

How to open an STW file

STW files are legacy templates and are best accessed using software derived from the original OpenOffice.org code base. Apache OpenOffice and LibreOffice Writer are the primary tools for opening, editing, and converting STW files to modern ODF formats. While Microsoft Word can open them via conversion filters, native formatting fidelity is best preserved using the specific open-source suites mentioned.

STW Technical Info

Full Name: OpenOffice.org 1.0 Text Document Template
Developed By: Sun Microsystems
Initial Release: 2000
MIME Type: application/vnd.sun.xml.writer.template

What is a DOC file?

The DOC extension refers to the proprietary binary file format used by Microsoft Word versions 97 through 2003. It is structured around the Object Linking and Embedding (OLE) Compound File Binary (CFB) format, acting as a file system within a file that manages streams and storages for text, formatting, scripts, and metadata. Unlike modern XML-based alternatives, DOC files store data in binary records, which can make parsing complex and prone to corruption if the binary headers are damaged.

How to open a DOC file

Microsoft Word remains the primary software for full-feature support of the DOC binary format. However, owing to its ubiquity, most third-party word processors including LibreOffice Writer, Apache OpenOffice, and Corel WordPerfect provide reverse-engineered support for opening and editing these files. Google Docs also offers import capabilities, though complex formatting utilizing legacy OLE objects may experience rendering shifts during conversion.

DOC Technical Info

Full Name: Microsoft Word Binary File
Developed By: Microsoft
Initial Release: 1983
MIME Type: application/msword

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Why RunConvert

The fastest way to convert any file

Purpose-built for speed, privacy, and breadth of format support.

Convert STW to DOC in seconds

Every STW to DOC conversion runs on our servers, so your device stays fast and the output quality stays intact.

Fast, cloud-powered

No queue, no waiting. Files are processed on high-performance servers and returned in seconds, even for large files.

Secure & private

Encrypted in transit and never shared with anyone. Uploads are erased the moment your job completes, and results shortly after.

Free - no account needed

Convert without creating an account - no credit card, no trial clock. Sign in only if you want history and higher daily limits.

Developer API

Convert STW to DOC via API

Automate STW to DOC conversions in three steps: create a job, upload your file, then poll for the result.

# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "tag": "stw-to-doc",
    "tasks": {
      "upload-file": {
        "operation": "import/upload"
      },
      "convert": {
        "operation": "convert",
        "input": "upload-file",
        "output_format": "doc"
      },
      "export-result": {
        "operation": "export/url",
        "input": "convert"
      }
    }
  }'

# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.stw

# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
  -H "Authorization: Bearer YOUR_API_KEY"

Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.